CN105158842A - Screen dot structure, backlight module and liquid crystal display device - Google Patents
Screen dot structure, backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN105158842A CN105158842A CN201510652494.6A CN201510652494A CN105158842A CN 105158842 A CN105158842 A CN 105158842A CN 201510652494 A CN201510652494 A CN 201510652494A CN 105158842 A CN105158842 A CN 105158842A
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- CN
- China
- Prior art keywords
- light guide
- guide plate
- lattice point
- point structure
- backlight module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a screen dot structure, a backlight module and a liquid crystal display device. The screen dot structure is arranged between a light guide plate and a reflection sheet. The screen dot structure comprises a plurality of scattering particles formed on the light guide plate and an optical glue layer attached to the scattering particles and the light guide plate. According to the invention, the scattering particles identical in size are coated or printed on the light guide plate and are bonded to the reflection sheet and the light guide plate through the optical glue layer, so that the absorption of the light guide plate and the reflection sheet is prevented, the screen dot function is simultaneously realized, the packaging cost is lowered, and the integral thickness of the module is reduced.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of lattice point structure, backlight module and liquid crystal indicator.
Background technology
Liquid crystal indicator, because having the features such as the compact and power consumption of low diathermaneity, volume is low, has been widely used in the fields such as collection, personal digital assistant, mobile computer, personal computer.Because the display panels of liquid crystal indicator itself does not have the characteristics of luminescence, therefore, for reaching display effect, needing to provide a backlight module to provide to liquid crystal panel brightness fully and the planar light be evenly distributed to liquid crystal panel, thus realizing the Presentation Function of liquid crystal indicator.Usual backlight module group will comprise light source and light guide plate, light source is that the plane of incidence of relative light guide plate is arranged, light-guide plate guides sends the transmission direction of light beam from light source, line source or pointolite is converted to uniform area source to illuminate the liquid crystal panel in liquid crystal display.
The backlight that present stage LCD uses, the light source that great majority adopt is LED, the basic structure of side entrance back module 100' as shown in Figure 1, the light that the LED light source 10' of side sends enters light guide plate 20', the even taking-up of light is realized by the site 21' bottom light guide plate and the optical thin film 30' above light guide plate, the method that site common at present makes is carried out ink printing at the former sheet material base of light guide plate or carry out site processing by the radium-shine mode got ready, namely light guide plate needs could be used by secondary processing, thus, light guide plate cost is added.
In addition, side entrance back module is provided with reflector plate 40' below light guide plate, and as shown in Figure 2, reflector plate surface is coated with some particle 41' to reflector plate structure, and object is to prevent reflector plate and light guide plate bump contact, and the problems such as absorption occur.
Application number is disclose a kind of backlight module and liquid crystal indicator in the patented claim of 201210569509.9, this light source module comprises it and comprises light source, light guide plate and reflector plate, multiple sides that this light guide plate comprises exiting surface, the bottom surface relative with this exiting surface and is connected with this exiting surface, bottom surface respectively, the light guide plate side that contiguous light source is arranged is incidence surface, this reflector plate comprises the first surface and second surface that are oppositely arranged, and the contiguous light guide plate of this first surface is arranged.Wherein, light guide plate does not arrange site, only arranges site on reflector plate surface, be used for replacing original site, be close to by reflector plate and light guide plate, realize light-guiding function, it is more convenient that the program can make distribution design, and cost is also lower, also can reduce the technology difficulty of light guide plate.But technique scheme cannot substitute light guide plate mesh point, because site is printed on bottom light guide plate usually, the light got on site realizes getting light by site scattering, as being merely that reflector plate and light guide plate are close to, air layer can be there is between site and light guide plate, light cannot get to site, and light cannot be removed; In addition, such scheme cannot ensure that reflector plate and light guide plate do not occur displacement, and as there is relative displacement, then cannot take out uniform light, therefore it cannot volume production.
Therefore, for above-mentioned technical matters, be necessary to provide a kind of lattice point structure, backlight module and liquid crystal indicator.
Summary of the invention
For overcoming the deficiencies in the prior art, the object of the present invention is to provide a kind of lattice point structure, backlight module and liquid crystal indicator.
To achieve these goals, the technical scheme that provides of the embodiment of the present invention is as follows:
A kind of lattice point structure, described lattice point structure is between light guide plate and reflector plate, and described lattice point structure comprises the optical cement layer of some scattering particles and fit described scattering particle and the light guide plate be formed in light guide plate.
As a further improvement on the present invention, the equal and opposite in direction of scattering particle in described lattice point structure.
As a further improvement on the present invention, described scattering particle is formed in light guide plate by the mode be coated with or print.
Correspondingly, a kind of backlight module, comprise light source, light guide plate and reflector plate, described light guide plate comprises exiting surface, the bottom surface relative with exiting surface, and some sides be connected with bottom surface with exiting surface, the side of contiguous described light source is the incidence surface of light guide plate, described reflector plate comprises the first surface and second surface that are oppositely arranged, the contiguous light guide plate of described first surface is arranged, lattice point structure is formed between the bottom surface of described light guide plate and the first surface of reflector plate, described lattice point structure comprises the some scattering particles be formed on bottom surface of light guide plate, and the optical cement layer of fit described scattering particle and bottom surface of light guide plate.
As a further improvement on the present invention, the equal and opposite in direction of scattering particle in described lattice point structure.
As a further improvement on the present invention, described scattering particle is formed on the bottom surface of light guide plate by the mode be coated with or print.
Correspondingly, a kind of liquid crystal indicator, comprise display panels, for described display panels provides the backlight module of planar light, and the some blooming pieces between display panels and backlight module, described backlight module comprises light source, light guide plate and reflector plate, described light guide plate comprises exiting surface, the bottom surface relative with exiting surface, and some sides be connected with bottom surface with exiting surface, the side of contiguous described light source is the incidence surface of light guide plate, described reflector plate comprises the first surface and second surface that are oppositely arranged, the contiguous light guide plate of described first surface is arranged, lattice point structure is formed between the bottom surface of described light guide plate and the first surface of reflector plate, described lattice point structure comprises the some scattering particles be formed on bottom surface of light guide plate, and the optical cement layer of fit described scattering particle and bottom surface of light guide plate.
As a further improvement on the present invention, the equal and opposite in direction of scattering particle in described lattice point structure.
As a further improvement on the present invention, described scattering particle is formed on the bottom surface of light guide plate by the mode be coated with or print.
As a further improvement on the present invention, described liquid crystal indicator also comprises the first framework for fixed light source, the second framework for fixed optics diaphragm and the 3rd framework for immobile liquid LCD panel.
The present invention is by coating in light guide plate or print equal-sized scattering particle, and by the bonding reflector plate of optical cement layer and light guide plate, the absorption of light guide plate and reflector plate can be prevented, realize site function simultaneously, reduce packaging cost, and reduce the integral thickness of module.
Accompanying drawing explanation
Fig. 1 is the structural representation of backlight module in prior art.
Fig. 2 is the structural representation of diffusion sheet in prior art.
Fig. 3 is the detonation configuration schematic diagram of lattice point structure in the embodiment of the present invention 1.
Fig. 4 is the structural representation of backlight module in the embodiment of the present invention 2.
Fig. 5 is the structural representation of liquid crystal indicator in the embodiment of the present invention 3.
Embodiment
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1:
Shown in ginseng Fig. 3, a kind of lattice point structure is disclosed in embodiments of the invention 1, lattice point structure is between light guide plate 10 and reflector plate 20, particularly, lattice point structure comprises the optical cement layer (not shown) of some scattering particles 31 and fit described scattering particle and the light guide plate be formed in light guide plate.
Be coated with on light guide plate 10 surface or print equal-sized scattering particle 31 in the present embodiment, face light guide plate 10 being coated with scattering particle is dot surface, the dot surface of light guide plate 10 is also coated with optical cement layer (not shown), this optical cement layer can make the first surface in light guide plate and reflection horizon fit completely, therebetween air layer can not be there is, prevent the absorption of light guide plate and reflector plate, realize site function simultaneously.
In addition, optical cement layer makes light guide plate and reflector plate fit together, and it also avoid reflector plate and relative displacement appears in light guide plate, ensures optical property.
By adjusting the pitch of scattering particle, the even taking-up of light can be realized.Thus, not only can make full use of bottom surface of light guide plate scattering particle, and light guide plate only needs to be coated with scattered ion(s), do not need to carry out secondary processing can use, effectively can reduce packaging cost, in addition, reflector plate and light guide plate are fitted completely, can reduce the thickness of whole module further.
Embodiment 2:
Shown in ginseng Fig. 4, embodiments of the invention 2 disclose a kind of backlight module, comprise light source 40, light guide plate 10 and reflector plate 20, light guide plate comprises exiting surface, the bottom surface relative with exiting surface and some sides be connected with bottom surface with exiting surface, the side of contiguous light source is the incidence surface of light guide plate, reflector plate comprises the first surface and second surface that are oppositely arranged, and the contiguous light guide plate of first surface is arranged.
Be formed with lattice point structure between the bottom surface of light guide plate 10 and the first surface of reflector plate 20, lattice point structure comprises the optical cement layer (not shown) of some scattering particles 31 and fit scattering particle and the bottom surface of light guide plate be formed on light guide plate 10 bottom surface.
The present embodiment is the application of lattice point structure in backlight module, and this lattice point structure is identical with the lattice point structure in embodiment 1, no longer repeats at this.
Should be understood that, in the present invention, lattice point structure is not limited to the backlight module in the present embodiment, applicable equally in other display modules.
Embodiment 3:
Shown in ginseng Fig. 5, a kind of liquid crystal indicator in the embodiment of the present invention 3, comprise display panels 60, the backlight module of planar light and the some blooming pieces 50 between display panels and backlight module are provided for display panels, the structure of backlight module is identical with embodiment 2, no longer repeats at this.
Further, this liquid crystal indicator also comprises the first framework 71 for fixed light source, the second framework 72 for fixed optics diaphragm and the 3rd framework 73 for immobile liquid LCD panel.Wherein, in the present embodiment in the below of reflector plate without the need to arranging backboard.
Further, layer of metal layer (not shown) can also be set in the below of reflector plate in the present invention, as arranged one deck aluminium foil layer below reflector plate in the present embodiment, reflector plate and aluminium foil attach mutually, can protect reflector plate on the one hand by aluminium foil layer; The reflectivity of reflector plate can be promoted on the other hand, and increase the metal sense at back.
As can be seen from the above technical solutions, the present invention is by coating in light guide plate or print equal-sized scattering particle, and by the bonding reflector plate of optical cement layer and light guide plate, the absorption of light guide plate and reflector plate can be prevented, realize site function simultaneously, reduce packaging cost, and reduce the integral thickness of module.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. a lattice point structure, described lattice point structure, between light guide plate and reflector plate, is characterized in that, described lattice point structure comprises the optical cement layer of some scattering particles and fit described scattering particle and the light guide plate be formed in light guide plate.
2. lattice point structure according to claim 1, is characterized in that, the equal and opposite in direction of scattering particle in described lattice point structure.
3. lattice point structure according to claim 1, is characterized in that, described scattering particle is formed in light guide plate by the mode be coated with or print.
4. a backlight module, comprise light source, light guide plate and reflector plate, described light guide plate comprises exiting surface, the bottom surface relative with exiting surface, and some sides be connected with bottom surface with exiting surface, the side of contiguous described light source is the incidence surface of light guide plate, described reflector plate comprises the first surface and second surface that are oppositely arranged, the contiguous light guide plate of described first surface is arranged, it is characterized in that, lattice point structure is formed between the bottom surface of described light guide plate and the first surface of reflector plate, described lattice point structure comprises the some scattering particles be formed on bottom surface of light guide plate, and the optical cement layer of fit described scattering particle and bottom surface of light guide plate.
5. backlight module according to claim 4, is characterized in that, the equal and opposite in direction of scattering particle in described lattice point structure.
6. backlight module according to claim 4, is characterized in that, described scattering particle is formed on the bottom surface of light guide plate by the mode be coated with or print.
7. a liquid crystal indicator, comprise display panels, for described display panels provides the backlight module of planar light, and the some blooming pieces between display panels and backlight module, described backlight module comprises light source, light guide plate and reflector plate, described light guide plate comprises exiting surface, the bottom surface relative with exiting surface, and some sides be connected with bottom surface with exiting surface, the side of contiguous described light source is the incidence surface of light guide plate, described reflector plate comprises the first surface and second surface that are oppositely arranged, the contiguous light guide plate of described first surface is arranged, it is characterized in that, lattice point structure is formed between the bottom surface of described light guide plate and the first surface of reflector plate, described lattice point structure comprises the some scattering particles be formed on bottom surface of light guide plate, and the optical cement layer of fit described scattering particle and bottom surface of light guide plate.
8. liquid crystal indicator according to claim 7, is characterized in that, the equal and opposite in direction of scattering particle in described lattice point structure.
9. liquid crystal indicator according to claim 7, is characterized in that, described scattering particle is formed on the bottom surface of light guide plate by the mode be coated with or print.
10. liquid crystal indicator according to claim 7, is characterized in that, described liquid crystal indicator also comprises the first framework for fixed light source, the second framework for fixed optics diaphragm and the 3rd framework for immobile liquid LCD panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652494.6A CN105158842A (en) | 2015-10-10 | 2015-10-10 | Screen dot structure, backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652494.6A CN105158842A (en) | 2015-10-10 | 2015-10-10 | Screen dot structure, backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105158842A true CN105158842A (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510652494.6A Pending CN105158842A (en) | 2015-10-10 | 2015-10-10 | Screen dot structure, backlight module and liquid crystal display device |
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| Country | Link |
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| CN (1) | CN105158842A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676536A (en) * | 2016-04-11 | 2016-06-15 | 方继恒 | Novel liquid crystal display module and novel liquid crystal displayer |
| CN105698047A (en) * | 2016-04-19 | 2016-06-22 | 吴冬梅 | Backlight module |
| CN105739009A (en) * | 2016-05-13 | 2016-07-06 | 京东方科技集团股份有限公司 | Light guide plate and backlight module as well as manufacture method thereof and display device with same |
| CN106908988A (en) * | 2016-01-04 | 2017-06-30 | 宁波长阳科技股份有限公司 | A kind of backlight assembly of liquid crystal display |
| CN112764152A (en) * | 2021-02-08 | 2021-05-07 | 捷开通讯(深圳)有限公司 | Display assembly and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782083A (en) * | 2011-09-13 | 2014-05-07 | 住友化学株式会社 | Light guide plate, surface light source device, transmission-type image display device, and reflection dots for light guide plate |
| CN204496042U (en) * | 2015-04-02 | 2015-07-22 | 苏州胜利精密制造科技股份有限公司 | A kind of composite light guide plate and liquid crystal display module thereof |
-
2015
- 2015-10-10 CN CN201510652494.6A patent/CN105158842A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103782083A (en) * | 2011-09-13 | 2014-05-07 | 住友化学株式会社 | Light guide plate, surface light source device, transmission-type image display device, and reflection dots for light guide plate |
| CN204496042U (en) * | 2015-04-02 | 2015-07-22 | 苏州胜利精密制造科技股份有限公司 | A kind of composite light guide plate and liquid crystal display module thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106908988A (en) * | 2016-01-04 | 2017-06-30 | 宁波长阳科技股份有限公司 | A kind of backlight assembly of liquid crystal display |
| CN105676536A (en) * | 2016-04-11 | 2016-06-15 | 方继恒 | Novel liquid crystal display module and novel liquid crystal displayer |
| CN105698047A (en) * | 2016-04-19 | 2016-06-22 | 吴冬梅 | Backlight module |
| CN105739009A (en) * | 2016-05-13 | 2016-07-06 | 京东方科技集团股份有限公司 | Light guide plate and backlight module as well as manufacture method thereof and display device with same |
| CN112764152A (en) * | 2021-02-08 | 2021-05-07 | 捷开通讯(深圳)有限公司 | Display assembly and display device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |